A fantastic GNU gem from the early days is this almost all-encompassing utility to plot 2d and 3d graphs to the n-th degree that runs under the very predictable old-style unassuming naming of:
From the many years of development, the all-encompassing nature of the utility has lead to a formidable and very dry 238-page LaTeX academic-style manual (pdf) being listed on the gnuplot homepage. All very useful but also very scary!
Instead, try these much more brief fun introductions:
- How To Use Gnuplot To Graph Data On The Raspberry Pi
- How to use clip art in your Gnuplot charts
- GNUPLOT 4.2 – A Brief Manual and Tutorial
- Gnuplotting – Create scientific plots using gnuplot (‘blog’)
Go forth and be free to plot with style! 😉